John Deere POWERTECH 4045 - Manual (Page 208)

Troubleshooting
RG,RG34710,5608 –19–27JUL06–3/8
Symptom Problem Solution
Engine runs irregularly or stalls Low coolant temperature. Remove and check thermostat.
frequently
Clogged fuel filter. Replace fuel filter element.
Water, dirt, or air in fuel system. Drain, flush, fill, and bleed system.
Dirty or faulty injection nozzles. Have authorized servicing dealer or
engine distributor check injectors.
Electronic fuel system problem See your John Deere distributor or
servicing dealer.
Below normal engine Defective thermostat. Remove and check thermostat.
temperature
Defective temperature gauge or Check gauge, sender, and
sender. connections.
Continued on next page
45-12
080706
PN=206